低周反复荷载下型钢混凝土-钢筋混凝土竖向混合结构转换柱受剪性能试验研究
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摘要
为了研究型钢混凝土-钢筋混凝土竖向混合结构转换柱的受剪性能,对16个转换柱试件和1个钢筋混凝土柱对比试件进行了低周反复荷载试验。分析了转换柱试件的破坏形态,研究了其位移延性、承载能力、强度衰减,以及耗能能力等方面的力学性能,并与钢筋混凝土柱试件进行了对比。试验结果表明:转换柱的破坏形态可以分为剪切破坏、粘结破坏和弯曲破坏;转换柱中钢与混凝土之间的相互作用方式导致了其特殊的破坏特征;发生粘结破坏和弯曲破坏的试件,其最大承载力之后的强度衰减较大;转换柱的耗能能力介于型钢混凝土柱与钢筋混凝土柱之间。绝大多数转换柱试件的延性性能能够满足位移延性系数大于3的抗震设防要求。
Experiments of 16 transfer columns in an SRC-RC hybrid structure and 1 reinforced concrete column under low cyclic reversed loading were carried out to research the shear performance of transfer columns.The analysis on failure patterns was done.Shear performances were studied such as displacement ductility,load bearing capacity,bearing capacity degeneration and energy dissipation.It indicates that there are three failure patterns for transfer columns including shear failure,bond failure and bending failure.Special failure patterns of the transfer columns are due to cooperation manner between concrete and shape steel.The degeneration of load-bearing capacity is obvious for specimens of bond failure and bending failure.Energy dissipation abilities of transfer columns are at the interval of reinforced concrete columns and steel reinforced concrete columns.Most specimens of transfer columns can satisfy the seismic resistance requirement of a ductile coefficient greater than 3.
Experiments of 16 transfer columns in an SRC-RC hybrid structure and 1 reinforced concrete column under low cyclic reversed loading were carried out to research the shear performance of transfer columns.The analysis on failure patterns was done.Shear performances were studied such as displacement ductility,load bearing capacity,bearing capacity degeneration and energy dissipation.It indicates that there are three failure patterns for transfer columns including shear failure,bond failure and bending failure.Special failure patterns of the transfer columns are due to cooperation manner between concrete and shape steel.The degeneration of load-bearing capacity is obvious for specimens of bond failure and bending failure.Energy dissipation abilities of transfer columns are at the interval of reinforced concrete columns and steel reinforced concrete columns.Most specimens of transfer columns can satisfy the seismic resistance requirement of a ductile coefficient greater than 3.
引文
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[7]今野修,今泉隆之,山本憲一郎,等.超高層建筑物における下層階へのSRC構造適用に関する実験的研究,その1SRC柱の靭性性能に関する実験計画[C].日本建筑学大会学術講演梗概集,九州,1998:1029―1030.Kon-No S,Imaizumi T,Yamamoto K,et al.Experimentalstudy on high-rise building with lower floor composed ofSRC structure.Part1:Outline of the tests aboutdeformation capacity of SRC columns[C].Summaries ofTechnical Papers of Annual Meeting,ArchitecturalInstitute of Japan,Kyushu,1998:1029―1030.(inJapanese)
[8]木村润一,新宮義信.繰返しせん断を受ける混合部材の構造性能[C].日本建築学会大会学術講演梗概集.九州,1998:1067―1068.Kimura J,Shingu Y.Structural performance of SRC-RCmixed member under cyclic bending moment and shear[C].Summaries of Technical Papers of Annual Meeting,Architectural Institute of Japan.Kyushu,1998:1067―1068.(in Japanese)
[9]伍凯.低周反复荷载下转换柱基本受力行为与抗震性能研究[D].西安:西安建筑科技大学,2010.Wu Kai.Study on basic mechanical behavior and seismicperformance of SRC-RC transfer column[D].Xi’an:Xi’an University of Architecture and Technology,2010.(in Chinese)
[10]赵世春.型钢混凝土组合结构设计原理[M].成都:西南交通大学出版社,2004:118―119.Zhao Shichun.Steel reinforced concrete compositestructure computation theory[M].Chengdu:South-WestJiaotong University Press,2004:118―119.(in Chinese)
[11]周正海.高强钢骨混凝土柱抗震性能的试验研究[D].北京:清华大学,1997.Zhou Zhenghai.Experimental study on seismicperformance of steel reinforced high strength concretecolumn[D].Beijing:Tsinghua University,1997.(inChinese)
[12]李俊华.低周反复荷载作用下型钢高强混凝土柱受力性能研究[D].西安:西安建筑科技大学,2005.Li Junhua.Study on performance of steel reinforcedhigh-strength concrete columns under cyclic reversedloading[D].Xi’an:Xi’an University of Architecture&Technology,2005.(in Chinese)
[2]郑文忠,王琨.型钢混凝土梁-角钢混凝土柱框架抗震性能试验研究[J].土木工程学报,2011,44(3):49―60.Zheng Wenzhong,Wang Kun.Study of seismicperformance of frame structures of steel reinforcedconcrete beams and angle-steel concrete columns[J].China Civil Engineering Journal,2011,44(3):49―60.(in Chinese)
[3]杨涛,张喜德.T形截面钢骨混凝土异形柱框架抗震性能[J].土木建筑与环境工程,2009,31(4):33―37.Yang Tao,Zhang Xide.Research on seismic behavior offrame with T-shaped SRC columns[J].Journal of Civil,Architectural&Environmental Engineering,2009,31(2):33―37.(in Chinese)
[4]杨勇,郭子雄,聂建国,等.SRC-RC竖向混合结构过渡层抗震设计方法探讨[J].世界地震工程,2005,21(4):60―65.Yang Yong,Guo Zixiong,Nie Jianguo,et al.Study onseismic design of transmission story of SRC-RC verticalhybrid structures[J].World Earthquake Engineering,2005,21(4):60―65.(in Chinese)
[5]杨勇,郭子雄,聂建国.型钢混凝土竖向混合结构过渡层抗震性能研究综述[J].工程抗震与加固改造,2006,28(5):78―86.Yang Yong,Guo Zixiong,Nie Jianguo.Review of studieson seismic design of transition story of steel reinforcedconcrete(SRC)vertical hybrid structures[J].EarthquakeResistant Engineering and Retrofitting,2006,28(5):78―86.(in Chinese)
[6]鈴木英之,西原寛,松崎育弘.SRC造からRC造へ構造形式が切り替わる柱のせん断性状[C].日本建築学会大会学術講演梗概集(中国),1999:1069―1070.Suzuki H,Nishihara H,Matsuzaki Y.Shear performanceof the column where structural form changes from SRCto RC[C].Summaries of Technical Papers of AnnualMeeting,Architectural Institute of Japan,Chyugoku,1999:1069―1070.(in Japanese)
[7]今野修,今泉隆之,山本憲一郎,等.超高層建筑物における下層階へのSRC構造適用に関する実験的研究,その1SRC柱の靭性性能に関する実験計画[C].日本建筑学大会学術講演梗概集,九州,1998:1029―1030.Kon-No S,Imaizumi T,Yamamoto K,et al.Experimentalstudy on high-rise building with lower floor composed ofSRC structure.Part1:Outline of the tests aboutdeformation capacity of SRC columns[C].Summaries ofTechnical Papers of Annual Meeting,ArchitecturalInstitute of Japan,Kyushu,1998:1029―1030.(inJapanese)
[8]木村润一,新宮義信.繰返しせん断を受ける混合部材の構造性能[C].日本建築学会大会学術講演梗概集.九州,1998:1067―1068.Kimura J,Shingu Y.Structural performance of SRC-RCmixed member under cyclic bending moment and shear[C].Summaries of Technical Papers of Annual Meeting,Architectural Institute of Japan.Kyushu,1998:1067―1068.(in Japanese)
[9]伍凯.低周反复荷载下转换柱基本受力行为与抗震性能研究[D].西安:西安建筑科技大学,2010.Wu Kai.Study on basic mechanical behavior and seismicperformance of SRC-RC transfer column[D].Xi’an:Xi’an University of Architecture and Technology,2010.(in Chinese)
[10]赵世春.型钢混凝土组合结构设计原理[M].成都:西南交通大学出版社,2004:118―119.Zhao Shichun.Steel reinforced concrete compositestructure computation theory[M].Chengdu:South-WestJiaotong University Press,2004:118―119.(in Chinese)
[11]周正海.高强钢骨混凝土柱抗震性能的试验研究[D].北京:清华大学,1997.Zhou Zhenghai.Experimental study on seismicperformance of steel reinforced high strength concretecolumn[D].Beijing:Tsinghua University,1997.(inChinese)
[12]李俊华.低周反复荷载作用下型钢高强混凝土柱受力性能研究[D].西安:西安建筑科技大学,2005.Li Junhua.Study on performance of steel reinforcedhigh-strength concrete columns under cyclic reversedloading[D].Xi’an:Xi’an University of Architecture&Technology,2005.(in Chinese)
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